<header id="header">
  <div id="banner"></div>
  <div id="header-outer" class="outer">
    <div id="header-inner" class="inner">
      <nav id="main-nav">
          <a class="main-nav-link" href="/index">首页</a>
          <a class="main-nav-link" href="/archive">归档</a>
          <a class="main-nav-link" href="https://www.sxnu.edu.cn/" target="_blank">师大</a>
           <a class="main-nav-link" href="/collect">我的收藏</a>
      </nav>
    </div>
  </div>
</header>